[media] em28xx: unregister devices in case of failure
If something bad happens during device registration, unregister
the already registered devices.
Without that, it will have lots of KASAN errors when udev
would try to open the devices.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 52428b4..8c87f3f 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -2579,6 +2579,22 @@
return 0;
unregister_dev:
+ if (video_is_registered(&v4l2->radio_dev)) {
+ em28xx_info("V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->radio_dev));
+ video_unregister_device(&v4l2->radio_dev);
+ }
+ if (video_is_registered(&v4l2->vbi_dev)) {
+ em28xx_info("V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->vbi_dev));
+ video_unregister_device(&v4l2->vbi_dev);
+ }
+ if (video_is_registered(&v4l2->vdev)) {
+ em28xx_info("V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->vdev));
+ video_unregister_device(&v4l2->vdev);
+ }
+
v4l2_ctrl_handler_free(&v4l2->ctrl_handler);
v4l2_device_unregister(&v4l2->v4l2_dev);
err: